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Low Vitamin D Levels May Raise Heart Risk

Study Shows Vitamin D Supplements May Be Useful in Preventing Heart Disease

Low Levels of Vitamin D Linked to Stroke

Also at the meeting, Utah researchers reported that low levels of vitamin D may raise the risk of stroke, heart disease, and death.

The researchers followed 27,686 people, ages 50 and older, with no history of cardiovascular disease. The participants were divided into three groups based on their vitamin D levels: normal (more than 30 nanograms per milliliter), low (15 to 30 nanograms per milliliter), or very low (less than 15 nanograms per milliliter).

After one year, those with very low levels of vitamin D were 77% more likely to die, 45% more likely to develop heart disease, and 78% more likely to have a stroke, compared with people with normal vitamin D levels.

"We concluded that among patients 50 years of age or older, even a moderate deficiency of vitamin D levels was associated with developing coronary artery disease, heart failure, stroke and death," says researcher Heidi May, PhD, an epidemiologist with the Intermountain Medical Center in Murray, Utah.

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